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Home/ATT&CK/Software/S0471
MITRE ATT&CK Malware

build_downer (S0471)

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[build_downer](https://attack.mitre.org/software/S0471) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) since at least 2019.(Citation: Trend Micro Tick November 2019)

Platforms: Windows

▪Techniques implemented (8)

T1106Native APIT1036.004Masquerade Task or ServiceT1547.001Registry Run Keys / Startup FolderT1027.003SteganographyT1124System Time DiscoveryT1518.001Security Software DiscoveryT1680Local Storage DiscoveryT1105Ingress Tool Transfer

▪Used by groups (1)

G0060BRONZE BUTLER
S0471on MITRE ATT&CK →

MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.